T40000r4 has one T104 240Volt timer mechanism.
Stationary pointer is pointed at 6:00 position.
Order 156T1978A trippers.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
Moving stationary pointer will not affect on-off operation of timer. The pointer is just reference for setting current time.
Worn trippers can cause problem.
Trippers are softer metal and designed to wear down so timer mechanism lasts for decades.
Open following links for different timers:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100
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